Experimental research and data analysis on compensation effect of compensation element of hydrogen sensor in catalytic combustion under different temperature conditions are carried out. It is found that the compensation element can not fully compensate for the influence of temperature change on sensor output

which results in sensor output changing with temperature change

which makes the test error at the extreme temperature is large. Aiming at this problem

a temperature parameter compensation scheme is proposed

and is verified by experiments. It is found that the error of the sensor in limit temperature after temperature compensation is reduced from 6 % FS to 1. 3 % FS

which greatly improves test error of sensor

and provides experimental basis and reasonable scheme design for accurate usage of sensor in different ambient temperatures.